.titulo {
    background-color: green;
    font-family: 'segoe ui';
    padding: .5rem;
    border: solid .1rem black;
    border-radius: .4rem;
    color: white;
    width: 40vw;
    text-align: center;
    cursor: pointer;
    user-select: none;
    transition: 50ms;
}

.toggle {
    background-color: yellow;
    color: black;
}